@InProceedings{wang-EtAl:2015:EMNLP1,
  author    = {Wang, Jingang  and  Song, Dandan  and  Zhang, Zhiwei  and  Liao, Lejian  and  Si, Luo  and  Lin, Chin-Yew},
  title     = {LDTM: A Latent Document Type Model for Cumulative Citation Recommendation},
  booktitle = {Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing},
  month     = {September},
  year      = {2015},
  address   = {Lisbon, Portugal},
  publisher = {Association for Computational Linguistics},
  pages     = {561--566},
  url       = {https://aclweb.org/anthology/D/D15/D15-1066}
}